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Air sample analysis results, ATC Associates, Nov 2001

Machine-extracted title · confidence 85%

Analytical results report for air samples including aluminum and cadmium levels from November 2001.

NYC-WTC_000179330–000179331
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NYC 9/11 Public Portal Document

Hov 26 01 □3:a4p PSC Rnalyt-ical Services 6109219667 p. 20

Analytical Results for ATC Associates WorkOrder: R01110283 Client Reference: 19125-0246

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst <ug): (mg/mO i (ppm) ; (ug)

Client ID: M-01, ATC-1114 Lab ID: -OlA Date Sampled: 11/14/01 Matrix: Filter Air Vol.(L): 984 Aluminum <1 <0.00102 1 NIOSH Metals 11/24/2001 TH Cadmium <0.2 <0.000203 0.2 NIOSH Metals 11/24/2001 TH Chromium 0.233 0.000237 0.2 NIOSH Metals 11/24/2001 TH Cobalt <0.1 <0.000102 0.1 NIOSH Metals 11/24/2001 TH Copper <0.2 <0.000203 0.2 NIOSH Metals 11/24/2001 TH Iron <2 <0.00203 2 NIOSH Metals 11/24/2001 TH Magnesium <1.3 <0.00132 1.3 NIOSH Metals 11/24/2001 TH Manganese <0.3 <0.000305 0.3 NIOSH Metals 11/24/2001 TH Molybdenum <1 <0.00102 1 NIOSH Metals 11/24/2001 TH Nickel <0.2 <0.000203 0.2 NIOSH Metals 11/24/2001 TH Zinc <0.5 <0.000506 0.5 NIOSH Metals 11/24/2001 TH

ClientlD: M-02,ATC-1114 Lab ID: -02.A Date Sampled: 11/14,'01 Matrix: Filter AirVol.(L).- 958 Alumiruni <1 <0.00104 1 NIOSH Metals 11/24/2001 TH Cadmium <0.2 <0.000209 0.2 NIOSH Metals 11/24/2001 TH Chromium 0.498 0.000520 0.2 NIOSH Metals 11/24/2D01 TH Cobalt <0.1 <0.000104 0.1 NIOSH Metals 11/24/2001 TH Copper <0.2 <0.000209 0.2 NIOSH Metals 11/24/2001 TH Iron 4.13 0.00431 2 NIOSH Metals 11/24/2001 TH Magnesium <1.3 <0.00136 1.3 NIOSH Metals 11/24/2001 TH Manganese <0.3 <0.000313 0.3 NIOSH Metals 11/24/2001 TH Molybdenum <1 <0.00104 1 NIOSH Metals 11/24/2001 TH Nickel <0,2 <0.000209 0.2 NIOSH Metals 11/24/2001 TH Zinc <0.5 <0.000522 0,5 NIOSH Metals 11/24/2001 TH

Client ID: M-03, ATC-1114 LabID:-03A Date Sampled; 11/14/01 Matrix: Filter Air Vol.(L): 969 fl* I ft Aluminum <1 <0.00103 1 NIOSH Metals 11/24/2001 TH Cadmium <0.2 <0.000206 0.2 NIOSH Metals 11/24/2001 TH Chromum 0.408 0.000421 0.2 NIOSH Metals 11/24/2001 TH Cobalt <0.1 <0.000103 0.1 NIOSH Metals 11/24/2001 TH Copper <0.2 <0.000206 0.2 NIOSH Metals 11/24/2001 TH Iron <2 <0.00206 2 NIOSH Metals 11/24/2001 TH Magnesium <1.3 <0.00134 1.3 NIOSH Metals 11/24/2001 TH Manganese <0.3 <0.000310 0.3 NIOSH Metals 11/24/2001 TH Molybdenum <1 <0.00103 1 NIOSH Metals 11/24/2001 TH Nickel <0.2 <0.000206 0.2 NIOSH Metals 11/24/2001 TH Zinc <0.5 <0.000516 0.5 NIOSH Metals 11/24/2001 TH

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CONFIDENTIAL, CITy_21MC100_003458973 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000179330

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NYC-WTC_000179330Source: NYC Law Department, mirrored locally

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